Abbott - Banjo ukuleles made famous by George Formby
Ana'ole - Hawaiian makers headed by Gareth Yahiku.
Antoniotsai/ Hanworks - heavily decorated ukuleles with a questionable reputation.
aNueNue - High quality ukuleles from Taiwan
Applause (Ovation) - Distinctive electric ukuleles.
Aria - UK cheapo brand.
Ashbury - Good quality, entry level ukes from a UK company. My first 'real' ukulele.
Ashton - Cheap first ukuleles in the UK.
BeBop - You know, for kids.
Beltona - The ukulele that killed off Tiny Tim.
Brownsville - Cheap end solid-top ukuleles.
BugsGear EleUke - Solid body, electric ukuleles.
Bushman - The video contest guys try their hand at making ukuleles.
Clearwater - UK ukulele company with Eleuke and Vita uke copies.
Cole Clark - Australian ukulele makers.
Collings - Highly respect guitar makers move into ukes.
Earnest Instruments - Top quality ukes as played by Eddie Vedder and John King.
Cordoba - Portuguese guitar makers with a line of ukuleles.
Favilla - The 20s/30s cheap and cheerful ukulele.
Fender - The biggest name in guitars moves into ukuleles.
Flea - Bette Midler's favourite ukulele.
Fluke - Iconic ukulele.
G-String - Top quality ukulele endorsed by James Hill.
Gibson - I think they used to make guitars as well.
Greg Bennett (Samick) - Korean-made budget ukuleles.
Gretsch - vintage ukes from the legendary guitar maker.
Hamano - the original 'good' ukulele from China.
Harmony - Vintage ukuleles as endorsed by the legendary Roy Smeck.
Hawaiian Ukulele Company - The Hawaiian shop's own-brand ukuleles.
Hilo - A few companies out there have gone by this name.
Honu - Turtle covered ukuleles from the Big Island Ukulele Company.
Ibanez - Japanese guitar makes follow in their namesake's footsteps and start making ukuleles.
Johnson - Bog standard starter ukes.
Kala - Hugely popular mid-range ukulele. I love my Kala.
Kamaka - The oldest surviving ukulele maker.
Kanile'a - Top quality, top price, Hawaiian made ukuleles.
Kau'wela - Kailua based ukes in Zebrawood.
Keli'i - High quality Hawaiian ukuleles.
Kiwaya - Japanese company best known for their Martin copies and K-Wave Fender-style ukuleles.
Keech - The reputed inventor of the banjulele.
Ko'olau - Their ukuleles are played by Ledward Kaapana, Lyle Ritz and Abe Lagrimas Jr. Who could argue with a line-up like that?
Koa Pili Koko - Koa-ish ukuleles from Keli'i.
KoAlana - KoAloha's budget range of ukuleles.
KoAloha - Hawaiian made ukulele company headed by the adorable Alvin Okami.
Kumalae - Vintage Hawaiian maker with a ferocious output.
Laka - Vintage ukuleles put out a new range (possibly to end confusion for people searching for 'vintage ukuleles').
Lanikai - Probably the best ukulele for a beginner.
Lazy - Cheapo UK ukuleles.
Le Domino - World's coolest ukulele?
Lehua - Instruments from the original home of the ukulele Portugal.
Source : http://ukulelehunt.com/buy-ukulele/categories/ukulele-brands/
